similar system as Elfyourself.com

we want a clone of [login to view URL] so dancing video we have made already but you make 'Background', so cut out existing background and place new ones, so that user can choose his own background and Each individual can 'upload Face' his own face. movie is longer than this one, we looking for good people, if succesfull more jobs are there. Tell us please which technic you use to make this clone.